FIGURE 5 Soil total nitrogen stock of undisturbed and disturbed plots across five sites (A) and each site (B) (mean ± standard error), soil total phosphorus stock of undisturbed and disturbed plots across five sites (C) and each site (D) (mean ± standard error), soil total potassium stock of undisturbed and disturbed plots across five sites (E) and each site (F) (mean ± standard error).